CVE-2025-71373 - CVE House

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Status published High CVE-2025-71373

picklescan - Remote Code Execution via operator.methodcaller Detection Bypass

7.6 CVSS

Vulnerability Description

picklescan before 0.0.33 fails to detect operator.methodcaller function calls in pickle files, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle payloads using operator.methodcaller that execute arbitrary code when loaded, compromising systems relying on picklescan for validation.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

CoolwindHF

References

More from picklescan

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picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files

picklescan - Arbitrary Code Execution via Undetected idlelib.autocomplete.AutoComplete.fetch_completions

picklescan - Undetected Remote Code Execution via _operator.methodcaller

picklescan - Arbitrary Code Execution via Undetected profile.Profile.run

picklescan - Remote Code Execution via code.InteractiveInterpreter Detection Bypass

Affected Vendor

picklescan

View all reports →

Affected Software

picklescan

Vulnerable Versions:

0, 0.0.33

Timeline

Official Publish: July 4th, 2026

Last Modified: July 6th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1562 Impair Defenses

Defense Evasion

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1550 Use Alternate Authentication Material

Defense Evasion

T1485 Data Destruction